That's part of what makes it so weird

The Last Time Right-Wing Hatred Ran Wild Like This a President Was Killed

Yes, people were really worried Kennedy would be assassinated by right-wingers if he went to Texas. You couldn't turn on the TV in the sixties without hearing that Southern right-wingers had killed some African-Americans or people trying to help African-Americans. That’s what makes it so weird that Kennedy was assassinated by a Communist who had even gone to live in the USSR for a while.